12820288

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 56

約数和(自身を含む): 28874720

約数和(自身を除く): 16054432

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 811, 832, 988, 1216, 1622, 1976, 3244, 3952, 6488, 7904, 10543, 12976, 15409, 15808, 21086, 25952, 30818, 42172, 51904, 61636, 84344, 123272, 168688, 200317, 246544, 337376, 400634, 493088, 674752, 801268, 986176, 1602536, 3205072, 6410144, 12820288]

約数ペア:

[(1, 12820288), (2, 6410144), (4, 3205072), (8, 1602536), (13, 986176), (16, 801268), (19, 674752), (26, 493088), (32, 400634), (38, 337376), (52, 246544), (64, 200317), (76, 168688), (104, 123272), (152, 84344), (208, 61636), (247, 51904), (304, 42172), (416, 30818), (494, 25952), (608, 21086), (811, 15808), (832, 15409), (988, 12976), (1216, 10543), (1622, 7904), (1976, 6488), (3244, 3952)]